/******************************************************************************
 *    Copyright (C) 2014 Hisilicon STB Development Dept
 *    All rights reserved.
 * ***
 *    Create by Czyong
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *   http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */
#include <stddef.h>


void *memmove(void *dest, const void *src, size_t size)
{
	char *tmp, *s;

	if (src < dest) {
		tmp = (char *) dest + size;
		s = (char *) src + size;
		for (; size; size--)
			*--tmp = *--s;
	} else {
		tmp = (char *) dest;
		s = (char *) src;
		for (; size; size--)
			*tmp++ = *s++;
	}

	return dest;
}
